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513079293 = 31011693331
BaseRepresentation
bin11110100101001…
…111011111111101
31022202110010110210
4132211033133331
52022322014133
6122525023033
715500046666
oct3645173775
91282403423
10513079293
11243690081
121239b4a79
13823b441c
144c1dc36d
153009d763
hex1e94f7fd

513079293 has 8 divisors (see below), whose sum is σ = 690879456. Its totient is φ = 338666000.

The previous prime is 513079291. The next prime is 513079319. The reversal of 513079293 is 392970315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513079293 - 21 = 513079291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513079291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846363 + ... + 846968.

It is an arithmetic number, because the mean of its divisors is an integer number (86359932).

Almost surely, 2513079293 is an apocalyptic number.

It is an amenable number.

513079293 is a deficient number, since it is larger than the sum of its proper divisors (177800163).

513079293 is a wasteful number, since it uses less digits than its factorization.

513079293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693435.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 513079293 is about 22651.2536739139. The cubic root of 513079293 is about 800.5617372426.

The spelling of 513079293 in words is "five hundred thirteen million, seventy-nine thousand, two hundred ninety-three".

Divisors: 1 3 101 303 1693331 5079993 171026431 513079293